/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package Servlet;

import Modelo.Productos;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.Iterator;

/**
 *
 * @author David
 */
@WebServlet(name = "carrito", urlPatterns = {"/carrito"})
public class carrito extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            String[] produ = null;
            ArrayList listProductos = new ArrayList();
            Productos producto = new Productos();
            if(request.getParameterValues("producto")!= null){
            produ = request.getParameterValues("producto");
            } else {
                request.getRequestDispatcher("errorNoLog.html").forward(request, response);
            }
            if(produ != null){
                
                for(int i=0;i<produ.length;i++){
                    String des = produ[i];
                    
                   Productos prod = producto.obtenerProducto(des);
                   
                   if (prod != null){
                       listProductos.add(prod);
                   } else {
                       out.print("<p><font color='red'>Error al "
                               + "obtener el producto o el producto "
                               + "no existe</font></p>");
                       
                   }
                }
                if (listProductos != null || !listProductos.isEmpty()){
                    request.setAttribute("listaProductos", listProductos);
                   request.getRequestDispatcher("checkcar.jsp").forward(request, response);
                }
              
            }
            
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
